NorCross HawkEye F33P Fish Finder Marine tool is ideal for fishermen Using an ultra wide, 25 degree sonar beam angle, delivers accurate depth, fish and bottom structure readings from 1.5 to 99.9 feet Operationable down to zero degrees Fahrenheit; includes a trollable, mountable, and floatable sonar sensor with 35 feet of cable and cable tie-strap Exceptionally easy to use; simply turn the power on, toss the sonar sensor from the shoreline, bridge, or boat Fits in the palm of your hand